body {
	text-align: center;
}

.picture-1 {
	width: 100%;
	height: 900px;
	background-image: url(images/index.jpg);
	background-size: 100% 100%;
}
/*导航*/
.nav {
	width: 100%;
	height: 52px;
}

.nav ul {
	display: block;
	margin: 0;
	padding: 0;
}

.nav ul li {
	display: list-item;
	float: left;
	list-style: none;
	box-sizing: border-box;
	border: 1px solid #eee;
	width: 12.5%;
	height: 52px;
	font-family: '华文新魏';
	font-size: 1.2em;
	line-height: 52px;
	text-align: center;
	color: #999;
	cursor: pointer;
	background-color: rgba(200,200,200,0.6);
}
/*51升学网简介*/

.introduce-1 {
	width: 100%;
	height: 80px;
	font-size: 20px;
	text-align: center;
	color: #ff3600;
}

.i-span-1,
.i-span-2 {
	letter-spacing: 8px;
}

.i-span-2 {
	font-size: 23px;
	font-weight: 700;
}

.i-span-3 {
	letter-spacing: -1px;
}

.introduce-text {
	widht: 50%;
	height: 160px;
	font-family: '华文新魏','宋体';
	line-height: 20px;
}

.introduce-2 img{
	/*box-sizing: border-box;
	border-bottom: 1px solid #f00;*/
	max-width: 12.5%;
	height: auto;
	cursor: pointer;
}

.introduce-img div {
	float: left;
	box-sizing: border-box;
	margin-left: 2.5%;
	border-bottom: transparent;
	width: 30%;
	height: auto;
}
.introduce-img div img {
	max-width: 100%;
	height: auto;
}

/*优势*/

.advantage {
	width: 100%;
	height: auto;
}

.advantage img {
	margin-top: 50px;
	max-width: 100%;
	height: auto;
}
/*专业课程设计*/
.pro-1 {
	margin-top: 50px;
	width: 100%;
	height: auto;
}

.pro-1 img{
	max-width: 45%;
	height: auto;
}

.pro,
.pro-3 {
	margin-top: 20px;
	margin-left: 10%;
	width: 80%;
	height: auto;
}

.pro-2 {
	float: left;
	margin-top: 10px;
	margin-left: 2.5%;
	width: 30%;
	height: auto;
	cursor: pointer;
}

.pro-2 img {
	max-width: 100%;
	height: auto;
}

.pro-3 img{
	margin-left: 80%;
	max-width: 16%;
	height: auto;
	cursor: pointer;
}

/*讲师风采*/
.teacher {
	margin-top: 30px;
	box-sizing: border-box;
	border-top: 1px solid transparent;
	width: 100%;
	height: 445px;
	background-image: url(images/teacher.jpg);
	background-size: 100% 100%;
}

.teacher div {
	margin-top: 100px;
	margin-left: 37.5%;
	width: 25%;
	height: auto;
	background-color: rgba(180,180,180,0.5);
}

.teacher div img {
	max-width: 100%;
	height: auto;
}

.teacher-2 {
	cursor: pointer;
}

/*新闻资讯*/
.news {
	width: 100%;
	height: 484px;
	background-image: url(images/news.jpg);
	background-size: 100% 100%;
}

.news-1 {
	display: table;
	float: left;
	box-sizing: border-box;
	margin-left: 2.65%;
	width: 30%;
	height: 300px;
	
}

.news-1 p {
	display:table-cell;
	overflow: hidden;
	line-height: 1.2em;
	letter-spacing: 5px;
	vertical-align: middle;
}

.news-2 {
	width: 100%;
	height: auto;
}

.news-2 img {
	max-width: 30%;
	height: auto;
}
/*合作学校*/

.school-1 {
	width: 100%;
	height: auto;
}

.school-1 img {
	max-width: 40%;
	height: auto;
}

.schools {
	float: left;
	box-sizing: border-box;
	margin-top: 30px;
	margin-left: 6.25%;
	width: 25%;
	height: auto;
}

.schools img {
	max-width: 100%;
	height: auto;
}

.school-3 {
	float: left;
	margin-top: 50px;
	width: 100%;
	he;ight: auto
}

.school-3 img {
	margin-left: 65%;
	max-width: 16%;
	height: auto;
	cursor: pointer;
}

/*改变其实就这样简单*/
.change {
	width: 100%;
	height: auto;
	/*background-image: url(images/change.jpg);*/
}

.change img {
	margin-top: 50px;
	max-width: 100%;
	height: auto;
}

/*友情链接*/
.friend-link {
	width: 100%;
	height: 80px;
	background-color: #ddd;
}

.friend-link div {
	color: #666;
}

.friend-link-1 {
	position: relative;
	box-sizing: border-box;
	left: 50%;
	margin-left: -50px;
	padding-bottom: 6px;
	border-bottom: 1px solid #666;
	width: 100px;
}

.friend-link-a {
	float: left;
	margin-left: 4%;
	margin-top: 16px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	width: 10%;
}


.friend-link-a:hover {
	overflow: visible;
	text-overflow: inherit;
}

.friend-link-a a {
	font-family: '华文新魏','宋体';
	font-weight: 600;
	text-decoration: none;
	color: #666;
	cursor: pointer;
	transition: font-size 0.5s;
}

.friend-link-a a:hover {
	font-size: 1.2em;
}

/*页脚*/
#footer {
	position: relative;
	box-sizing: border-box;
    margin-bottom: 0px;
    padding-top: 15px;
    border: 1px solid;
    text-align: center;
    width: 100%;
    height: 160px;
}

.erweima {
	position: absolute;
	box-sizing: border-box;
	margin-top: 20px;
	margin-left: 5%;
	border: 1px solid;
	width: 20%;
	height: 80px;
}

.erweima img {
	width: auto;
	max-height: 100%;
}

#footer .footer_1 {
    margin-left: 70%;
    margin-top: -60px;
    width: 20%;
    height: 20px;
    color: #000;
}

/*联系我们 | 关于我们*/
#contact,
#about {
    display: none;
    position: absolute;
    left: 50%;
    bottom: 60px;
    margin-left: 100px;
    border: 1px solid #eee;
    border-radius: 50px 50px 50px 0;
    width: 300px;
    height: 100px;
    color: #ee0;
    background-color: rgba(0,230,230,0.3);
}

#about {
    margin-left: -400px;
    border-radius: 50px 50px 0 50px;
}

/*漂浮二维码运动轨迹*/
@keyframes wx{
    0% {left: 5%;top: 5%; color: #fff;}
    20% {left: 100%;top: 30%;margin-left: -75px;color: #f00;}
    40% {left: 0%;top: 65%;margin-left: 75px;color: #0ee;}
    60% {left: 30%;top: 100%;margin-top: -100px; color: #0f0}
    80% {left: 100%;top: 60%;margin-left: -75px; color: #00f;}
    100% {left: 5%;top: 5%;color: #fff;}
}

#float_wx {
    position: fixed;
    width: 75px;
    height: 125px;
    font-size: 0.5em;
    letter-spacing: 700;
    text-align: center;
    animation: wx 60s linear 0s infinite;
}